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Edexcel | Physics WPH0 | W 15 4 1 | 1 hour 30 minutes
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A current-carrying wire is placed into a magnetic field. If the magnetic force experienced

by the wire balances the weight of the wire, the wire will float.

The direction of the magnetic field is from west to east.

For the wire to float, it is placed

A parallel to the magnetic field so the current flows from east to west.

B parallel to the magnetic field so the current flows from west to east.

C perpendicular to the magnetic field so the current flows from north to south.

D perpendicular to the magnetic field so the current flows from south to north.

C

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